Gold Member Since 2016
Audited Supplier
Zhongshan Yuefong (Mai's) Manufacture Co., Ltd.

Three Digits Combination Lock, Padlock, Combination Lock manufacturer / supplier in China, offering School Bag Lock with Zinc Alloy, 4 Digits Combination Key Box, Portable Digits Combination Key Box and so on.

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Supplier Homepage Product Padlock School Bag Lock with Zinc Alloy

School Bag Lock with Zinc Alloy

Purchase Qty.:
200-999 1,000+
FOB Unit Price: US $1.01 US $1
Purchase Qty. (Pieces) FOB Unit Price
200-999 US $1.01
1,000+ US $1
Get Latest Price
Port: Zhongshan, China
Production Capacity: 10000/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 302
  • Trademark: OEM
  • Specification: ASTM883
  • Size: 71.3mm
  • Transport Package: Double Blister
  • Origin: China
Product Description

Set Your Own Combination Backpack Lock
3 dial set your own combination locking for keyless convenience
Product Detail:
302FB Set Your Own Combination Padlock features a 71.3mm wide metal body for durability. The 3mm diameter shackle is Φ18mm long and made of metal, offering resistance to cutting and sawing. The 3-digit set your own combination offers keyless convenience. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
Product Specification
ItemShackle Diameter
(Dimension A)
Horiz.Shackle Clearance
(Dimension B)
Vert.Shackle Clearance
(Dimension C)
Lock Body Width
(Dimension D)
Lock Body Thickness
(Dimension E)
Material for Lock BodySurface Treatment for Lock BodyColor
302FB3mmΦ18mm26mm71.3mmNAZinc AlloyPaintingBlue or Silver
Best Used For:
Backpacks, Duffel Bag & Sports Bag/Briefcases & Computer Bags/Luggage & Travel
Product Series:
ItemShackle Diameter
(Dimension A)
Horiz.Shackle Clearance
(Dimension B)
Vert.Shackle Clearance
(Dimension C)
Lock Body Width
(Dimension D)
Lock Body Thickness
(Dimension E)
Material for Lock BodySurface Treatment for Lock BodyColor
301F2.7mm11.5mm27mm79.5mm10.8mmZinc AlloyPaintingRed or Green
302FB3mmΦ18mm26mm71.3mmNABlue or Silver
Performance Standards:
Standard Performance Specification For Padlocks
Test CategoryTestTest StandardsSpec.(MIN.)
Force TestTensile TestASTM  F883  8.11
CycleCycle TestASTM  F883  10.21
Corrosion&EnvironmentSalt SprayASTM  F883  11.11
Capacity: 10000PCS/Month
Production Leadtime: 30 Days
Company Profile:
Company area:  More than 76000 square meters.
Employees:  500 around, including 100 managers & technicians.
Manufacturing equipment:  More than 400. 
Main market:  North America, Europe, Canada and so on.
Certification:  ISO9000: 2008
Cooperative partner:  Master Lock company ( More than 20 years ).
Sale volume:  About 10 Million
Main product:  Laminated lock, Combination lock, python lock, safety products and so on
Main Process; Stamping/Die-casting/Painting/Powder Coating (We also do OEM and ODM)
Laboratory Center:
About 30 persons and 16 kinds of test equipment.
Can perform test such as below:
Tensile machine for shackle cutting test
*Projector for dimension check
*Rockwell hardness tester for hardness test
*Salt spray test chamber for salt spray test
*Drying box for drying test
*Color checked cabinet for color contrast
*Stickiness test machine for stickiness test
*Shock test machine for nylon buckles shock resistance test
Design and Development Team
R&D Ability:
Appearance design
Structure design
Maintain and improve ability
Quality assurance
Continue Improvement Ability:
Cost down ability:
Calculate and evaluate the product cost
Efficiency improve ability:
Equipment improvement/Automation improvement/
Process improvement to reduce the labor intensity
Aduit History:
Year Audit OrganizationAudit Item
2011Bureau Veritas (Authorized byThe Home Depot)SER/QSA/Security
2012~2013Verité (Authorized by Master Lock)EHS/SER/CSR
2014Intertek (Authorized by CVS Caremark)WCA/SQP
2015UL(Authorized by CVS Caremark)RSWA
We also do internal audit every year.
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